Decouple launchd from package paths

[nyldn]

What changed

• remove the configured AI Optimizer executable from the launchd plist entirely
• generate a versioned, owner-only product launcher keyed to the absolute executable string
• embed that exact path with POSIX-safe quoting and execute only run-maintenance
• refuse symlinked or drifted launchers while accepting legacy v0.1.4/v0.1.5 plists
• fix Ruby 2.6 byte comparison for non-ASCII executable paths
• bump to v0.1.6 and document why v0.1.4/v0.1.5 were superseded

Live lifecycle evidence

• forced Homebrew revision upgrade changed 0.1.5 to 0.1.5_1 and removed the old Cellar directory
• plist contained no formula executable path
• job remained loaded after the asynchronous removal window
• launchctl kickstart completed run 1 with exit 0 and a fresh passed receipt

Verification

• 41 tests, 162 assertions, 0 failures
• non-ASCII/apostrophe/space executable schedules twice and executes exactly
• system Ruby syntax and install/uninstall round trip pass
• deterministic release archive matches across two builds
• Gitleaks scanned full history with no findings
• Claude Fable 5 re-review: PASS

[coderabbitai]

Important

• 🔍 Trigger review

This repository does not receive automatic reviews because it has fewer than 10 stars.

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 228f7073-7460-4adf-a5c7-a5701d5f72b5

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